JPG to AVIF converter
Convert JPG images to AVIF right in your browser. Nothing is uploaded, so it’s fast and private.
Drop files inside the box. They stay on your device. How we know
Open in its own tabNothing is uploaded
Files are converted inside your browser tab.
Works offline
Once the page has loaded, turn off Wi-Fi and it still converts.
Free, up to 50 at once
No sign-up, no watermark, no waiting.
How to convert JPG to AVIF
- 1
Drop your JPG images into the box, or tap Choose files.
- 2
Check the settings if you like.
- 3
Download each AVIF file, or all of them as one ZIP.
About the formats
JPG (JPEG) is the most widely supported photo format. Every phone, browser, email client and upload form accepts it.
AVIF is a newer, highly compressed image format based on the AV1 video codec. Websites use it to load faster, but most desktop apps can’t open it yet.
Questions
Related converters
Updated October 17, 2026